Reuel Jonathan Email & Phone Number

State Of Pernambuco, Brazil

Main responsibilites:- Maintenance of legacy projects- Communication with stakeholders and other teams in the company- Bug solving and feature implementation- Team leadership, code review and testing, and contributed in technical discussions about code, infrastructure, and architecture- Documentation writing and knowledge sharing- Helped in reduction costs initiatives- Helped in candidate interviewing- Promoted internal tech talks presented by team developers- Mentoring of less experienced developers- Study any new technology needed to help in any area of business related to company applications and services.Technical achievements:- Implemented more than 20 integration scripts in js (JavaScript) to run in more than 3000 customers websites and having millions of accesses every week- Built an internal tool in C# to partially import database production data into local development databases to help in bug fixing with real (cloned) data- Implemented AWS Secrets Manager usage to improve security when using credentials- Implemented server monitoring scripts in Python and Golang (Go)- Helped in the implementation of processes (Kanban) to increase feature delivering, bug fixing, and team productivityTechnologies and tools I used frequently or at some moment at this position:C#, JavaScript, ASP.NET, SQL Server, MongoDB, PowerMTA, Sendgrid, Mandrill, AWS, Elastic Beanstalk, AWS Secrets Manager, Sentry, Pagar.me, Transfeera, Python, Golang, htmx, jquery, bootstrap, InfluxDB, Redis, Git

- Development of scripts (JavaScript) for abandoned cart recovering for e-commerce platforms

- Studies about legacy projects (how they work and how to improve them)- Communication with other teams inside the company to understand business rules and how to apply them to code- Bug solving- Implementation of new features- Documentation writing- Search for opportunities to improve code quality and reduce costs- Helping in candidate interviews- Promoting and organizing internal tech talks (presented by employees for employees)- Participation and contribution in technical discussions and helping in decisions about code, infrastructure, and architecture- App development in Flutter (Android and iOS) and publishing to stores.- Code reviews and testing

Recife Area, Brazil

I was the only software developer in a small team responsible for creating a desktop app to control the process of write firmware on electronic relays, calibrate those relays, and communicate with a test jig over a serial port.- Development of desktop applications with Java 8, JavaFX, Maven and MySQL- Development of communication over serial ports with RXTX library- Writing of documentation

Recife E Região, Brasil

I helped in the development of applications for important clients like Epson, Morpho, and Redeflex, in different roles (front-end, back-end, and also in embedded systems).Some projects I participated:- Web dashboard (JQuery, Asp.NET, MVC4, MySQL) to manage and track the production flow of credit cards.- Web dashboard (AngularJS, Java, Oracle) to provide visualization and manage data about production, sales, and other important information about the products created by the client (like printers and projectors).- An embedded application that was written in Lua for credit card machines (POS - Point of Sale, widely used by stores in Brazil) to handle credit and debit transactions.